/home/pedro/work/mdcore/src/fifo.h File Reference

Go to the source code of this file.

Data Structures
struct	fifo
Defines
#define	fifo_err_ok   0
#define	fifo_err_null   -1
#define	fifo_err_malloc   -2
#define	fifo_err_pthread   -3
#define	fifo_err_fifo_full   -4
#define	fifo_err_fifo_empty   -5
Functions
int	fifo_init (struct fifo *f, int size)
	Initialize the given fifo.
int	fifo_pop_nb (struct fifo *f, int *e)
	Remove an element from the fifo, non-blocking.
int	fifo_pop (struct fifo *f, int *e)
	Remove an element from the fifo, blocking.
int	fifo_push_nb (struct fifo *f, int e)
	Add an element to the fifo, non-blocking.
int	fifo_push (struct fifo *f, int e)
	Add an element to the fifo, blocking.
Variables
int	fifo_err

---

Define Documentation

#define fifo_err_fifo_empty   -5

#define fifo_err_fifo_full   -4

#define fifo_err_malloc   -2

#define fifo_err_null   -1

#define fifo_err_ok   0

#define fifo_err_pthread   -3

---

Function Documentation

int fifo_init	(	struct fifo *	f,
		int	size
	)

Initialize the given fifo.

Parameters:

f	The fifo
size	The number of entries

Returns:

fifo_err_ok or < 0 on error (see fifo_err).

int fifo_pop	(	struct fifo *	f,
		int *	e
	)

Remove an element from the fifo, blocking.

Parameters:

f	The fifo
e	Pointer to the popped element.

Returns:

The new number of entries or < 0 on error (see fifo_err).

int fifo_pop_nb	(	struct fifo *	f,
		int *	e
	)

Remove an element from the fifo, non-blocking.

Parameters:

f	The fifo
e	Pointer to the popped element.

Returns:

The new number of entries or < 0 on error (see fifo_err).

int fifo_push	(	struct fifo *	f,
		int	e
	)

Add an element to the fifo, blocking.

Parameters:

f	The fifo
e	The entry to add.

Returns:

The new number of entries or < 0 on error (see fifo_err).

int fifo_push_nb	(	struct fifo *	f,
		int	e
	)

Add an element to the fifo, non-blocking.

Parameters:

f	The fifo
e	The entry to add.

Returns:

The new number of entries or < 0 on error (see fifo_err).

---

Variable Documentation

int fifo_err

The ID of the last error.